# What changed in electron-builder-squirrel-windows

> 3 changes in electron-builder-squirrel-windows 26 from its official release notes, upgrade guides and advisories: 1 new APIs and options. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/electron-builder-squirrel-windows/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## electron-builder-squirrel-windows 26

### New APIs and options

- Negative patterns can now be provided for signExts as signing overrides. (26.3.0) — [release notes](https://github.com/electron-userland/electron-builder/blob/b56b51b0ef394b4802d1d5eff41a9c1573323dc9/packages/electron-builder-squirrel-windows/CHANGELOG.md#2630)

### Fixes and other changes

- Adds a lockfile for operations using system utilities that do not support parallelism, such as hdiutil and WiX. (26.12.0) — [release notes](https://github.com/electron-userland/electron-builder/blob/b56b51b0ef394b4802d1d5eff41a9c1573323dc9/packages/electron-builder-squirrel-windows/CHANGELOG.md#26120)
- Removes a spurious default vendor warning. (26.8.2) — [release notes](https://github.com/electron-userland/electron-builder/blob/b56b51b0ef394b4802d1d5eff41a9c1573323dc9/packages/electron-builder-squirrel-windows/CHANGELOG.md#2682)